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National Stock Number:
3020-00-773-1954
Federal Supply Class:
3020
National Item Identification Number:
007731954
Description:
GEAR CLUSTER
Detail:
A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see GEARSHAFT (as modified). Excludes GEAR SUBASSEMBLY, SPEED DECREASER.
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Manufacturer Information:
| 9015606 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| MATERIAL | STEEL COMP 303 SHAFT/HUB | | ALUMINUM ALLOY 2024 FIRST GEAR | | STEEL COMP 303 SECOND GEAR | | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SHAFT/HUB | | QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR | | QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR | | CONSTRUCTION | ASSEMBLED | | DESIGN TYPE | SPUR FIRST GEAR | | SPUR SECOND GEAR | | NOMINAL OUTSIDE DIAMETER | 3.061 INCHES FIRST GEAR | | 0.749 INCHES SECOND GEAR | | NOMINAL OVERALL LENGTH | 0.494 INCHES | | PRECISION CLASSIFICATION | QUALITY NUMBER 5 OR | | QUALITY NUMBER 6 ALL GEARS | | BORE STYLE | PLAIN BOTH ENDS | | BORE NOMINAL DIAMETER | 0.251 INCHES BOTH ENDS | | HUB STYLE DESIGNATOR | 1 STEP FIRST END | | PLAIN SECOND END | | PLAIN BETWEEN FIRST AND SECOND GEAR | | HUB NOMINAL LENGTH | 0.0630 INCHES FIRST END | | 0.0560 INCHES SECOND END | | 0.160 INCHES BETWEEN FIRST AND SECOND GEAR | | HUB NOMINAL DIAMETER | 0.585 INCHES BETWEEN FIRST AND SECOND GEAR | | 0.375 INCHES BOTH ENDS | | THE MANUFACTURERS DATA | | | MANUFACTURERS CODE | 18876 | | DESIGN CONTROL REFERENCE | 9015606 |
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